body{
    width: 100%;
    height: 100%;
    background-color: rgb(249, 249, 249);
    font-size: 1rem;
    font-weight: 400;
    line-height: 1.5;
    color: #212529;
    text-align: left;
}
.layui-btn-primary:hover {
    border-color: #66CCFF!important;
}
#topbar {
    position: sticky;
    top: 0;
    display: -webkit-box;
    display: flex;
    -webkit-box-orient: vertical;
    -webkit-box-direction: normal;
    flex-direction: column;
    background-color: #fff;
    box-shadow: 0 0 16px 0 rgba(0, 0, 0, .18);
    z-index: 999;
}
.top_row{
    margin-top: 10px;
    min-width: 1100px;
}
.top_but{
    text-align: end;
    margin-top: 10px;
}
.menu-list{
    margin-top: 10px;
    background-color: #FFFFFF;
    box-sizing: border-box;
}
.menu-link{
    display: inline-block;
    padding: 15px 9px;
    font-size: 16px;
    box-sizing: border-box;
}
.menu-link:hover{
    color:#66CCFF ;
}
.menu-list .first .menu-link{
    width: 100%;
    background:#66CCFF;
    color: #fff;
}
.menu-hover:hover .default-hidden{
    display: block;
}
.sub-menus{
    list-style: none;
    position: absolute;
    top: 50px;
    left: 0;
    width: 150px;
    padding: 0;
    background: #fff;
    border-radius: 0 0 8px 8px;
    box-shadow: 0 15px 16px 0 rgba(0,0,0,.18);
    overflow: hidden;
    z-index: 3;
}

.sub-menus li:hover{
    background-color: aliceblue;
    
}
.sub-menus li a{
    display: block;
    padding: 15px 0 15px 15px;
}

.default-hidden{
    display: none;
}
.search-input{
    height: 31px;
    width: 166px;
    border-radius: 7px;
    box-sizing: border-box;
    display: flex;
    align-items: center;
}
.search-input:focus,.search-input:hover{
    box-shadow:none;
    border-color: #66CCFF!important;
}
.search-form{
    position: absolute;
}

.search-icon{
    position: relative;
    top: -25px;
    right: -143px;
    cursor: pointer;
}

.footer-footer{
    margin-top: 20px;
    background-color: rgb(51,51,51);
    height: 200px;
}
.nav-container{
    min-height: calc(100vh - 70px);
}
.layui-icon {
    color: darkmagenta;
}
.btn-background{
    background: #CCCCFF;
}